| 单词 |
contraharmonical |
| 释义 |
ˌcontraharˈmonical, a. Math. [contra- 2.] Opposed or opposite to harmonical. When three numbers are in harmonical progression, then a : c :: a–b : b–c. The reverse of this, viz. a : c :: b–c : a–b is termed contra-harmonical proportion.
1727–51in Chambers Cycl. Hence ˌcontraharˈmonically adv.
1727–51Chambers Cycl. s.v., Thus, e. gr., 3, 5, and 6, are numbers contra-harmonically proportional. |

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